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Fix 11889: FP knownArgument with array element #5395

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Merged
danmar merged 2 commits into from
Sep 2, 2023
Merged

Fix 11889: FP knownArgument with array element #5395

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Fix 11889: FP knownArgument with array element
pfultz2 Sep 1, 2023
2178a72
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pfultz2 Sep 1, 2023
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3 changes: 1 addition & 2 deletions lib/checkother.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3704,8 +3704,7 @@ static bool isVariableExpression(const Token* tok)
return isVariableExpression(tok->astOperand1()) &&
isVariableExpression(tok->astOperand2());
if (Token::simpleMatch(tok, "["))
return isVariableExpression(tok->astOperand1()) &&
tok->astOperand2() && tok->astOperand2()->hasKnownIntValue();
return isVariableExpression(tok->astOperand1());
return false;
}

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14 changes: 14 additions & 0 deletions test/testother.cpp
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Expand Up @@ -11041,6 +11041,20 @@ class TestOther : public TestFixture {
" if (g(k(i))) {}\n"
"}\n");
ASSERT_EQUALS("", errout.str());

// #11889
check("struct S {\n"
" int a[5];\n"
" void f(int i);\n"
"}\n"
"void g(int);\n"
"void S::f(int i) {\n"
" if (a[i] == 1) {\n"
" a[i] = 0;\n"
" g(a[i]);\n"
" }\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}

void knownArgumentHiddenVariableExpression() {
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